Home / 48,478.12-66,904.86-29,627.80

Finding the Fourth Proportional to 48,478.12, 66,904.86 and 29,627.80

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Solution

The fourth proportional to 48,478.12, 66,904.86 and 29,627.80 is: 40,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.12 : 66,904.86 = 29,627.80 : x
  2. Step 2: Convert to fraction form
    48,478.12/66,904.86 = 29,627.80/x
  3. Step 3: Cross multiply
    48,478.12x = 66,904.86 × 29,627.80
  4. Step 4: Simplify right side
    48,478.12x = 1,982,243,811.11
  5. Step 5: Solve for x
    x = 1,982,243,811.11/48,478.12
  6. Step 6: Final answer
    x = 40,889.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.